diff --git a/aider/models.py b/aider/models.py
index 744515336..d051f2754 100644
--- a/aider/models.py
+++ b/aider/models.py
@@ -851,7 +851,7 @@ def sanity_check_model(io, model):
         io.tool_warning(f"Warning: {model} expects these environment variables")
         for key in model.missing_keys:
             value = os.environ.get(key, "")
-            status = "✓ Set" if value else "✗ Not set"
+            status = "Set" if value else "Not set"
             io.tool_output(f"- {key}: {status}")
 
         if platform.system() == "Windows" or True: